Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/94520
Type: Artigo de evento
Title: Co-sputtered Carbon-nickel Nanocomposite Thin Films
Author: Ferlauto A.S.
Alvarez F.
Fonseca F.C.
Goya G.F.
Jardim R.F.
Abstract: Carbon-nickel nanocomposite thin films were prepared by co-sputtering a graphite target with a small Ni chip attached on its surface. The Ni concentration in the films was controlled by the size of the Ni chip and measured by in-situ X-ray photoelectron spectroscopy. Transmission electron microscopy images showed that the films have a granular structure with nanosized Ni particles embedded in an amorphous carbon matrix. The Ni particles have an average diameter of ∼4 nm, with a rather narrow size distribution. Magnetization measurements revealed that films are superparamagnetic and present blocking temperatures TB < 15 K.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-8644279693&partnerID=40&md5=e03309e0a7f88afcb5245f1ddba20ab2
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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